6447075671577 has 8 divisors (see below), whose sum is σ = 8828427946816. Its totient is φ = 4181886922032.

The previous prime is 6447075671557. The next prime is 6447075671587. The reversal of 6447075671577 is 7751765707446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6447075671577 - 2²³ = 6447067282969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6447075671557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29040881293 + ... + 29040881514.

It is an arithmetic number, because the mean of its divisors is an integer number (1103553493352).

Almost surely, 2^{6447075671577} is an apocalyptic number.

It is an amenable number.

6447075671577 is a deficient number, since it is larger than the sum of its proper divisors (2381352275239).

6447075671577 is a wasteful number, since it uses less digits than its factorization.

6447075671577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58081762847.

The product of its (nonzero) digits is 242020800, while the sum is 66.

The spelling of 6447075671577 in words is "six trillion, four hundred forty-seven billion, seventy-five million, six hundred seventy-one thousand, five hundred seventy-seven".